/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:49:13,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:49:13,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:49:13,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:49:13,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:49:13,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:49:13,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:49:13,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:49:13,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:49:13,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:49:13,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:49:13,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:49:13,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:49:13,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:49:13,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:49:13,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:49:13,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:49:13,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:49:13,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:49:13,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:49:13,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:49:13,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:49:13,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:49:13,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:49:13,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:49:13,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:49:13,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:49:13,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:49:13,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:49:13,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:49:13,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:49:13,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:49:13,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:49:13,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:49:13,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:49:13,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:49:13,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:49:13,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:49:13,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:49:13,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:49:13,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:49:13,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:49:13,130 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:49:13,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:49:13,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:49:13,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:49:13,136 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:49:13,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:49:13,136 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:49:13,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:49:13,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:49:13,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:49:13,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:49:13,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:49:13,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:49:13,139 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:49:13,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:49:13,139 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:49:13,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:49:13,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:49:13,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:49:13,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:49:13,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:49:13,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:49:13,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:49:13,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:49:13,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:49:13,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:49:13,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:49:13,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:49:13,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:49:13,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:49:13,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:49:13,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:49:13,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:49:13,457 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:49:13,457 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:49:13,458 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-07-07 10:49:13,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438548bc1/be22bc415c444f2291b0a724db8e9449/FLAG43b01a804 [2020-07-07 10:49:14,060 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:49:14,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-07-07 10:49:14,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438548bc1/be22bc415c444f2291b0a724db8e9449/FLAG43b01a804 [2020-07-07 10:49:14,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438548bc1/be22bc415c444f2291b0a724db8e9449 [2020-07-07 10:49:14,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:49:14,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:49:14,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:14,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:49:14,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:49:14,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:14" (1/1) ... [2020-07-07 10:49:14,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8f733e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:14, skipping insertion in model container [2020-07-07 10:49:14,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:14" (1/1) ... [2020-07-07 10:49:14,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:49:14,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:49:15,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:15,134 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:49:15,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:15,240 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:49:15,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:15 WrapperNode [2020-07-07 10:49:15,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:15,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:49:15,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:49:15,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:49:15,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:15" (1/1) ... [2020-07-07 10:49:15,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:15" (1/1) ... [2020-07-07 10:49:15,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:15" (1/1) ... [2020-07-07 10:49:15,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:15" (1/1) ... [2020-07-07 10:49:15,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:15" (1/1) ... [2020-07-07 10:49:15,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:15" (1/1) ... [2020-07-07 10:49:15,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:15" (1/1) ... [2020-07-07 10:49:15,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:49:15,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:49:15,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:49:15,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:49:15,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:49:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:49:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:49:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:49:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:49:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:49:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:49:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:49:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:49:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:49:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:49:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:49:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:49:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:49:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:49:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:49:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:49:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:49:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:49:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:49:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:49:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:49:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:49:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:49:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:49:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:49:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:49:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:49:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:49:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:49:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:49:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:49:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:49:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:49:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:49:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:49:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:49:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:49:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:49:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:49:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:49:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:49:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:49:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:49:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:49:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:49:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:49:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:49:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:49:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:49:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:49:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:49:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:49:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:49:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:49:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:49:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:49:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:49:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:49:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:49:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:49:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:49:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:49:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:49:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:49:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:49:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:49:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:49:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:49:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:49:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:49:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:49:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:49:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:49:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:49:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:49:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:49:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:49:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:49:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:49:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:49:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:49:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:49:16,429 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:49:16,429 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:49:16,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:16 BoogieIcfgContainer [2020-07-07 10:49:16,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:49:16,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:49:16,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:49:16,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:49:16,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:49:14" (1/3) ... [2020-07-07 10:49:16,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193f953a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:16, skipping insertion in model container [2020-07-07 10:49:16,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:15" (2/3) ... [2020-07-07 10:49:16,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193f953a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:16, skipping insertion in model container [2020-07-07 10:49:16,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:16" (3/3) ... [2020-07-07 10:49:16,443 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-07-07 10:49:16,454 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:49:16,462 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:49:16,476 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:49:16,500 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:49:16,500 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:49:16,500 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:49:16,501 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:49:16,501 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:49:16,501 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:49:16,501 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:49:16,501 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:49:16,524 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-07 10:49:16,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:49:16,534 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:16,535 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:16,536 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:16,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:16,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1109188308, now seen corresponding path program 1 times [2020-07-07 10:49:16,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:16,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431514935] [2020-07-07 10:49:16,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,237 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:17,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431514935] [2020-07-07 10:49:17,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:17,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:49:17,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773466410] [2020-07-07 10:49:17,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:49:17,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:17,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:49:17,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:17,365 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 4 states. [2020-07-07 10:49:18,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:18,445 INFO L93 Difference]: Finished difference Result 309 states and 395 transitions. [2020-07-07 10:49:18,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:49:18,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:49:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:18,462 INFO L225 Difference]: With dead ends: 309 [2020-07-07 10:49:18,462 INFO L226 Difference]: Without dead ends: 170 [2020-07-07 10:49:18,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:18,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-07 10:49:18,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 140. [2020-07-07 10:49:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-07 10:49:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2020-07-07 10:49:18,558 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 59 [2020-07-07 10:49:18,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:18,559 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2020-07-07 10:49:18,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:49:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2020-07-07 10:49:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:49:18,563 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:18,563 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:18,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:49:18,564 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:18,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:18,564 INFO L82 PathProgramCache]: Analyzing trace with hash 813843432, now seen corresponding path program 1 times [2020-07-07 10:49:18,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:18,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572009337] [2020-07-07 10:49:18,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,908 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:18,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572009337] [2020-07-07 10:49:18,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:18,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:49:18,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185521180] [2020-07-07 10:49:18,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:49:18,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:18,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:49:18,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:49:18,971 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand 5 states. [2020-07-07 10:49:19,487 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:20,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:20,420 INFO L93 Difference]: Finished difference Result 250 states and 303 transitions. [2020-07-07 10:49:20,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:49:20,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:49:20,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:20,426 INFO L225 Difference]: With dead ends: 250 [2020-07-07 10:49:20,426 INFO L226 Difference]: Without dead ends: 160 [2020-07-07 10:49:20,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:20,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-07 10:49:20,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 131. [2020-07-07 10:49:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-07 10:49:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2020-07-07 10:49:20,486 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 60 [2020-07-07 10:49:20,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:20,486 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2020-07-07 10:49:20,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:49:20,487 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2020-07-07 10:49:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:49:20,490 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:20,490 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:20,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:49:20,490 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:20,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:20,491 INFO L82 PathProgramCache]: Analyzing trace with hash 605286682, now seen corresponding path program 1 times [2020-07-07 10:49:20,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:20,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014653316] [2020-07-07 10:49:20,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,867 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:21,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014653316] [2020-07-07 10:49:21,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:21,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:21,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046865391] [2020-07-07 10:49:21,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:21,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:21,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:21,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:21,013 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 9 states. [2020-07-07 10:49:21,476 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:21,800 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:22,048 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:22,284 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:23,556 INFO L93 Difference]: Finished difference Result 263 states and 322 transitions. [2020-07-07 10:49:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:49:23,559 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-07 10:49:23,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:23,563 INFO L225 Difference]: With dead ends: 263 [2020-07-07 10:49:23,563 INFO L226 Difference]: Without dead ends: 160 [2020-07-07 10:49:23,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:23,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-07 10:49:23,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 131. [2020-07-07 10:49:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-07 10:49:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2020-07-07 10:49:23,624 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 65 [2020-07-07 10:49:23,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:23,627 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2020-07-07 10:49:23,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2020-07-07 10:49:23,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-07 10:49:23,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:23,643 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:23,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:49:23,643 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:23,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:23,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1239264208, now seen corresponding path program 1 times [2020-07-07 10:49:23,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:23,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993847578] [2020-07-07 10:49:23,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,969 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:24,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993847578] [2020-07-07 10:49:24,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:24,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:49:24,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374355034] [2020-07-07 10:49:24,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:49:24,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:24,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:49:24,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:24,071 INFO L87 Difference]: Start difference. First operand 131 states and 150 transitions. Second operand 7 states. [2020-07-07 10:49:24,486 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:25,872 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:26,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:26,443 INFO L93 Difference]: Finished difference Result 367 states and 456 transitions. [2020-07-07 10:49:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:49:26,445 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-07 10:49:26,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:26,449 INFO L225 Difference]: With dead ends: 367 [2020-07-07 10:49:26,449 INFO L226 Difference]: Without dead ends: 264 [2020-07-07 10:49:26,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:49:26,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-07 10:49:26,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 218. [2020-07-07 10:49:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-07 10:49:26,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 249 transitions. [2020-07-07 10:49:26,495 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 249 transitions. Word has length 78 [2020-07-07 10:49:26,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:26,496 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 249 transitions. [2020-07-07 10:49:26,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:49:26,496 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 249 transitions. [2020-07-07 10:49:26,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:49:26,498 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:26,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:26,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:49:26,498 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:26,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:26,499 INFO L82 PathProgramCache]: Analyzing trace with hash 462053503, now seen corresponding path program 1 times [2020-07-07 10:49:26,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:26,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343708576] [2020-07-07 10:49:26,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,782 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:49:26,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343708576] [2020-07-07 10:49:26,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:26,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:26,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717568771] [2020-07-07 10:49:26,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:26,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:26,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:26,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:26,946 INFO L87 Difference]: Start difference. First operand 218 states and 249 transitions. Second operand 9 states. [2020-07-07 10:49:27,403 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:28,068 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:28,725 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:29,054 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:29,563 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:29,796 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:30,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:30,382 INFO L93 Difference]: Finished difference Result 453 states and 550 transitions. [2020-07-07 10:49:30,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:49:30,383 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-07 10:49:30,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:30,388 INFO L225 Difference]: With dead ends: 453 [2020-07-07 10:49:30,388 INFO L226 Difference]: Without dead ends: 263 [2020-07-07 10:49:30,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:49:30,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-07-07 10:49:30,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 217. [2020-07-07 10:49:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-07 10:49:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2020-07-07 10:49:30,436 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 92 [2020-07-07 10:49:30,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:30,436 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2020-07-07 10:49:30,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:30,437 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2020-07-07 10:49:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:49:30,438 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:30,438 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:30,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:49:30,439 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:30,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:30,439 INFO L82 PathProgramCache]: Analyzing trace with hash -440444759, now seen corresponding path program 1 times [2020-07-07 10:49:30,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:30,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655676663] [2020-07-07 10:49:30,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,696 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:30,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655676663] [2020-07-07 10:49:30,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:30,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:30,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784016081] [2020-07-07 10:49:30,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:30,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:30,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:30,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:30,816 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 9 states. [2020-07-07 10:49:31,812 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:32,069 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:32,330 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:32,576 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:33,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:33,243 INFO L93 Difference]: Finished difference Result 451 states and 544 transitions. [2020-07-07 10:49:33,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:49:33,243 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-07 10:49:33,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:33,246 INFO L225 Difference]: With dead ends: 451 [2020-07-07 10:49:33,246 INFO L226 Difference]: Without dead ends: 262 [2020-07-07 10:49:33,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:33,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-07-07 10:49:33,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 222. [2020-07-07 10:49:33,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-07-07 10:49:33,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions. [2020-07-07 10:49:33,287 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 93 [2020-07-07 10:49:33,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:33,287 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 251 transitions. [2020-07-07 10:49:33,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:33,287 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions. [2020-07-07 10:49:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:49:33,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:33,289 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:33,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:49:33,289 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:33,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:33,289 INFO L82 PathProgramCache]: Analyzing trace with hash 261155115, now seen corresponding path program 1 times [2020-07-07 10:49:33,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:33,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589890655] [2020-07-07 10:49:33,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,547 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:33,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589890655] [2020-07-07 10:49:33,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:33,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:49:33,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686540962] [2020-07-07 10:49:33,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:49:33,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:33,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:49:33,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:49:33,704 INFO L87 Difference]: Start difference. First operand 222 states and 251 transitions. Second operand 11 states. [2020-07-07 10:49:34,370 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:34,626 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:34,877 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:35,610 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:35,859 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:36,110 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:36,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:36,909 INFO L93 Difference]: Finished difference Result 463 states and 564 transitions. [2020-07-07 10:49:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:49:36,909 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 93 [2020-07-07 10:49:36,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:36,911 INFO L225 Difference]: With dead ends: 463 [2020-07-07 10:49:36,912 INFO L226 Difference]: Without dead ends: 269 [2020-07-07 10:49:36,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:36,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-07 10:49:36,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 226. [2020-07-07 10:49:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-07 10:49:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 255 transitions. [2020-07-07 10:49:36,947 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 255 transitions. Word has length 93 [2020-07-07 10:49:36,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:36,947 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 255 transitions. [2020-07-07 10:49:36,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:49:36,948 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 255 transitions. [2020-07-07 10:49:36,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:49:36,949 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:36,949 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:36,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:49:36,949 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:36,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:36,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1986636012, now seen corresponding path program 1 times [2020-07-07 10:49:36,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:36,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310809495] [2020-07-07 10:49:36,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,204 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:37,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310809495] [2020-07-07 10:49:37,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:37,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:49:37,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635984080] [2020-07-07 10:49:37,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:49:37,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:37,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:49:37,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:37,343 INFO L87 Difference]: Start difference. First operand 226 states and 255 transitions. Second operand 7 states. [2020-07-07 10:49:37,816 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:38,325 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:40,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:40,107 INFO L93 Difference]: Finished difference Result 645 states and 802 transitions. [2020-07-07 10:49:40,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:49:40,107 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-07-07 10:49:40,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:40,112 INFO L225 Difference]: With dead ends: 645 [2020-07-07 10:49:40,112 INFO L226 Difference]: Without dead ends: 447 [2020-07-07 10:49:40,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:49:40,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-07 10:49:40,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 405. [2020-07-07 10:49:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-07-07 10:49:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 471 transitions. [2020-07-07 10:49:40,192 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 471 transitions. Word has length 93 [2020-07-07 10:49:40,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:40,193 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 471 transitions. [2020-07-07 10:49:40,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:49:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 471 transitions. [2020-07-07 10:49:40,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-07 10:49:40,195 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:40,195 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:40,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:49:40,196 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:40,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:40,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1429929390, now seen corresponding path program 1 times [2020-07-07 10:49:40,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:40,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633487302] [2020-07-07 10:49:40,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,549 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:40,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633487302] [2020-07-07 10:49:40,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:40,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:49:40,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208201170] [2020-07-07 10:49:40,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:49:40,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:40,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:49:40,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:49:40,762 INFO L87 Difference]: Start difference. First operand 405 states and 471 transitions. Second operand 12 states. [2020-07-07 10:49:41,394 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:42,077 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:43,097 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:43,398 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:43,636 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:43,926 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:44,174 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:45,277 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:45,535 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:46,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:46,136 INFO L93 Difference]: Finished difference Result 1123 states and 1390 transitions. [2020-07-07 10:49:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:49:46,138 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-07-07 10:49:46,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:46,143 INFO L225 Difference]: With dead ends: 1123 [2020-07-07 10:49:46,143 INFO L226 Difference]: Without dead ends: 820 [2020-07-07 10:49:46,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:49:46,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-07-07 10:49:46,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 698. [2020-07-07 10:49:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-07-07 10:49:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 804 transitions. [2020-07-07 10:49:46,268 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 804 transitions. Word has length 97 [2020-07-07 10:49:46,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:46,269 INFO L479 AbstractCegarLoop]: Abstraction has 698 states and 804 transitions. [2020-07-07 10:49:46,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:49:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 804 transitions. [2020-07-07 10:49:46,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-07 10:49:46,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:46,272 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:46,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:49:46,272 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:46,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:46,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1557984819, now seen corresponding path program 1 times [2020-07-07 10:49:46,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:46,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942912669] [2020-07-07 10:49:46,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,586 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:46,924 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 10:49:46,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942912669] [2020-07-07 10:49:46,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597669295] [2020-07-07 10:49:46,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:49:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:47,198 INFO L264 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:49:47,214 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:49:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:49:47,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:49:47,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:49:47,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043243435] [2020-07-07 10:49:47,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:49:47,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:47,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:49:47,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:49:47,437 INFO L87 Difference]: Start difference. First operand 698 states and 804 transitions. Second operand 20 states. [2020-07-07 10:49:48,138 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:48,490 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:48,762 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:49,015 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:49,749 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:50,054 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:50,467 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:49:51,182 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:51,519 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:52,724 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:49:53,044 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:53,361 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:53,941 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:54,341 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:54,919 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:49:55,580 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:49:55,849 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:56,330 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:57,051 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:49:57,335 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:57,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:57,602 INFO L93 Difference]: Finished difference Result 1561 states and 1857 transitions. [2020-07-07 10:49:57,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-07 10:49:57,603 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 157 [2020-07-07 10:49:57,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:57,611 INFO L225 Difference]: With dead ends: 1561 [2020-07-07 10:49:57,611 INFO L226 Difference]: Without dead ends: 961 [2020-07-07 10:49:57,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-07 10:49:57,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2020-07-07 10:49:57,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 848. [2020-07-07 10:49:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2020-07-07 10:49:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 983 transitions. [2020-07-07 10:49:57,807 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 983 transitions. Word has length 157 [2020-07-07 10:49:57,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:57,810 INFO L479 AbstractCegarLoop]: Abstraction has 848 states and 983 transitions. [2020-07-07 10:49:57,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:49:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 983 transitions. [2020-07-07 10:49:57,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-07-07 10:49:57,822 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:57,822 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:58,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:49:58,037 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:58,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:58,038 INFO L82 PathProgramCache]: Analyzing trace with hash -57355196, now seen corresponding path program 1 times [2020-07-07 10:49:58,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:58,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304465605] [2020-07-07 10:49:58,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,414 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:59,064 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 83 proven. 29 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-07-07 10:49:59,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304465605] [2020-07-07 10:49:59,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471320245] [2020-07-07 10:49:59,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:49:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:59,421 INFO L264 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:49:59,448 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:49:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 199 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-07-07 10:49:59,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:49:59,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-07 10:49:59,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622540063] [2020-07-07 10:49:59,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:49:59,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:59,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:49:59,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:49:59,801 INFO L87 Difference]: Start difference. First operand 848 states and 983 transitions. Second operand 24 states. [2020-07-07 10:50:00,732 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:01,548 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:02,305 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:03,036 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:03,557 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:50:04,052 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:50:04,317 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:04,599 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:04,842 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:08,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:08,412 INFO L93 Difference]: Finished difference Result 2043 states and 2682 transitions. [2020-07-07 10:50:08,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 10:50:08,413 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 273 [2020-07-07 10:50:08,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:08,422 INFO L225 Difference]: With dead ends: 2043 [2020-07-07 10:50:08,422 INFO L226 Difference]: Without dead ends: 1246 [2020-07-07 10:50:08,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 371 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-07 10:50:08,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2020-07-07 10:50:08,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 856. [2020-07-07 10:50:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-07-07 10:50:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 978 transitions. [2020-07-07 10:50:08,596 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 978 transitions. Word has length 273 [2020-07-07 10:50:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:08,596 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 978 transitions. [2020-07-07 10:50:08,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:50:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 978 transitions. [2020-07-07 10:50:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-07-07 10:50:08,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:08,602 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:08,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:08,816 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:08,817 INFO L82 PathProgramCache]: Analyzing trace with hash 438205876, now seen corresponding path program 1 times [2020-07-07 10:50:08,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:08,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417843196] [2020-07-07 10:50:08,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,151 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 94 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-07-07 10:50:09,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417843196] [2020-07-07 10:50:09,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300439431] [2020-07-07 10:50:09,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,869 INFO L264 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-07 10:50:09,886 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 238 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-07 10:50:10,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:10,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-07 10:50:10,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173071514] [2020-07-07 10:50:10,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:50:10,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:10,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:50:10,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:50:10,123 INFO L87 Difference]: Start difference. First operand 856 states and 978 transitions. Second operand 22 states. [2020-07-07 10:50:11,000 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:50:11,584 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:12,108 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:12,611 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:13,701 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:14,566 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:15,209 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:15,754 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:16,475 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:17,289 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:17,544 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:18,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:18,239 INFO L93 Difference]: Finished difference Result 1660 states and 1958 transitions. [2020-07-07 10:50:18,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:50:18,240 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 289 [2020-07-07 10:50:18,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:18,247 INFO L225 Difference]: With dead ends: 1660 [2020-07-07 10:50:18,247 INFO L226 Difference]: Without dead ends: 925 [2020-07-07 10:50:18,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-07 10:50:18,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-07-07 10:50:18,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 856. [2020-07-07 10:50:18,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-07-07 10:50:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 975 transitions. [2020-07-07 10:50:18,462 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 975 transitions. Word has length 289 [2020-07-07 10:50:18,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:18,463 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 975 transitions. [2020-07-07 10:50:18,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:50:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 975 transitions. [2020-07-07 10:50:18,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-07-07 10:50:18,467 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:18,468 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:18,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:50:18,682 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:18,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:18,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1412352399, now seen corresponding path program 1 times [2020-07-07 10:50:18,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:18,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425012897] [2020-07-07 10:50:18,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,006 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-07-07 10:50:19,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425012897] [2020-07-07 10:50:19,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453591370] [2020-07-07 10:50:19,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,589 INFO L264 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:50:19,596 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 166 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-07-07 10:50:19,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:19,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8] total 20 [2020-07-07 10:50:19,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235624198] [2020-07-07 10:50:19,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:50:19,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:19,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:50:19,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:50:19,844 INFO L87 Difference]: Start difference. First operand 856 states and 975 transitions. Second operand 20 states. [2020-07-07 10:50:20,434 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:21,282 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:21,646 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:22,124 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:25,496 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:25,796 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:26,100 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:26,375 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:26,665 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:26,963 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:27,486 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-07-07 10:50:27,770 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:28,078 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:28,370 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-07 10:50:29,395 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:29,715 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:30,011 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:30,320 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:30,606 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:30,890 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:31,196 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:31,529 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:32,061 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-07-07 10:50:32,349 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:32,678 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:32,979 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-07 10:50:37,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:37,230 INFO L93 Difference]: Finished difference Result 3421 states and 4344 transitions. [2020-07-07 10:50:37,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-07-07 10:50:37,237 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 290 [2020-07-07 10:50:37,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:37,253 INFO L225 Difference]: With dead ends: 3421 [2020-07-07 10:50:37,253 INFO L226 Difference]: Without dead ends: 2601 [2020-07-07 10:50:37,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 391 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3426 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=1711, Invalid=8189, Unknown=0, NotChecked=0, Total=9900 [2020-07-07 10:50:37,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2601 states. [2020-07-07 10:50:37,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2601 to 2069. [2020-07-07 10:50:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-07-07 10:50:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2323 transitions. [2020-07-07 10:50:37,738 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2323 transitions. Word has length 290 [2020-07-07 10:50:37,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:37,740 INFO L479 AbstractCegarLoop]: Abstraction has 2069 states and 2323 transitions. [2020-07-07 10:50:37,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:50:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2323 transitions. [2020-07-07 10:50:37,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-07-07 10:50:37,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:37,747 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:37,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:37,961 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:37,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:37,961 INFO L82 PathProgramCache]: Analyzing trace with hash 185386588, now seen corresponding path program 1 times [2020-07-07 10:50:37,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:37,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789529586] [2020-07-07 10:50:37,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,321 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 119 proven. 19 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2020-07-07 10:50:38,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789529586] [2020-07-07 10:50:38,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342530080] [2020-07-07 10:50:38,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,181 INFO L264 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:50:39,194 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-07-07 10:50:39,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:50:39,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-07 10:50:39,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142494848] [2020-07-07 10:50:39,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:50:39,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:39,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:50:39,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:50:39,471 INFO L87 Difference]: Start difference. First operand 2069 states and 2323 transitions. Second operand 8 states. [2020-07-07 10:50:40,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:40,187 INFO L93 Difference]: Finished difference Result 3799 states and 4285 transitions. [2020-07-07 10:50:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:50:40,188 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 363 [2020-07-07 10:50:40,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:40,202 INFO L225 Difference]: With dead ends: 3799 [2020-07-07 10:50:40,202 INFO L226 Difference]: Without dead ends: 1934 [2020-07-07 10:50:40,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 476 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:50:40,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2020-07-07 10:50:40,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1931. [2020-07-07 10:50:40,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-07-07 10:50:40,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2168 transitions. [2020-07-07 10:50:40,744 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2168 transitions. Word has length 363 [2020-07-07 10:50:40,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:40,745 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2168 transitions. [2020-07-07 10:50:40,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:50:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2168 transitions. [2020-07-07 10:50:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-07-07 10:50:40,751 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:40,752 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:40,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-07 10:50:40,966 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:40,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:40,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1866853228, now seen corresponding path program 2 times [2020-07-07 10:50:40,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:40,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416575226] [2020-07-07 10:50:40,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,373 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 169 proven. 26 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-07-07 10:50:41,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416575226] [2020-07-07 10:50:41,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064561458] [2020-07-07 10:50:41,848 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:42,137 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-07 10:50:42,138 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-07 10:50:42,141 INFO L264 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-07 10:50:42,161 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-07-07 10:50:42,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:50:42,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 21 [2020-07-07 10:50:42,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82446503] [2020-07-07 10:50:42,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:50:42,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:42,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:50:42,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2020-07-07 10:50:42,301 INFO L87 Difference]: Start difference. First operand 1931 states and 2168 transitions. Second operand 7 states. [2020-07-07 10:50:42,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:42,974 INFO L93 Difference]: Finished difference Result 3115 states and 3544 transitions. [2020-07-07 10:50:42,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:50:42,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 363 [2020-07-07 10:50:42,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:42,977 INFO L225 Difference]: With dead ends: 3115 [2020-07-07 10:50:42,977 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:50:42,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 478 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:50:42,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:50:42,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:50:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:50:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:50:42,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2020-07-07 10:50:42,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:42,989 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:50:42,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:50:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:50:42,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:50:43,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:43,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:50:43,395 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-07-07 10:50:43,839 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-07-07 10:50:46,485 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 365 [2020-07-07 10:50:52,622 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 436 [2020-07-07 10:50:58,463 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 439 [2020-07-07 10:50:59,042 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 342 [2020-07-07 10:50:59,780 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 346 [2020-07-07 10:51:02,569 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 214 DAG size of output: 36 [2020-07-07 10:51:02,992 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-07-07 10:51:03,444 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-07 10:51:04,649 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 206 DAG size of output: 42 [2020-07-07 10:51:04,821 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2020-07-07 10:51:06,224 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 312 DAG size of output: 48 [2020-07-07 10:51:06,373 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-07 10:51:06,578 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-07 10:51:06,764 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 10:51:07,459 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2020-07-07 10:51:08,158 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 35 [2020-07-07 10:51:08,543 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-07-07 10:51:10,340 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 272 DAG size of output: 39 [2020-07-07 10:51:10,548 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:10,756 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2020-07-07 10:51:12,786 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 283 DAG size of output: 48 [2020-07-07 10:51:12,950 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 10:51:13,358 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 1 [2020-07-07 10:51:13,567 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2020-07-07 10:51:15,286 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 349 DAG size of output: 49 [2020-07-07 10:51:16,885 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 254 DAG size of output: 39 [2020-07-07 10:51:17,974 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 190 DAG size of output: 34 [2020-07-07 10:51:18,529 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-07 10:51:19,636 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 140 DAG size of output: 59 [2020-07-07 10:51:20,847 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 201 DAG size of output: 36 [2020-07-07 10:51:22,557 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 272 DAG size of output: 39 [2020-07-07 10:51:23,719 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 208 DAG size of output: 34 [2020-07-07 10:51:25,035 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 210 DAG size of output: 33 [2020-07-07 10:51:25,754 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 37 [2020-07-07 10:51:25,922 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 10:51:26,102 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-07 10:51:26,302 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-07 10:51:27,371 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 201 DAG size of output: 43 [2020-07-07 10:51:27,577 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-07 10:51:27,778 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-07-07 10:51:27,991 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-07 10:51:28,406 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-07-07 10:51:28,616 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-07 10:51:30,400 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 352 DAG size of output: 49 [2020-07-07 10:51:30,581 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-07 10:51:31,492 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 42 [2020-07-07 10:51:32,289 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 34 [2020-07-07 10:51:33,138 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 42 [2020-07-07 10:51:34,215 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 203 DAG size of output: 36 [2020-07-07 10:51:35,503 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 140 DAG size of output: 66 [2020-07-07 10:51:36,727 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 201 DAG size of output: 38 [2020-07-07 10:51:37,140 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-07 10:51:37,337 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-07 10:51:38,473 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 201 DAG size of output: 37 [2020-07-07 10:51:38,477 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-07-07 10:51:38,477 INFO L268 CegarLoopResult]: For program point L289-1(lines 289 293) no Hoare annotation was computed. [2020-07-07 10:51:38,477 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-07 10:51:38,477 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 304) no Hoare annotation was computed. [2020-07-07 10:51:38,477 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 258 313) no Hoare annotation was computed. [2020-07-07 10:51:38,477 INFO L268 CegarLoopResult]: For program point L305(lines 282 306) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 258 313) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 258 313) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point L346(lines 346 350) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 314 373) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point L340-2(lines 340 365) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 314 373) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point L366(lines 339 367) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 314 373) no Hoare annotation was computed. [2020-07-07 10:51:38,478 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-07-07 10:51:38,479 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-07-07 10:51:38,479 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2020-07-07 10:51:38,479 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2020-07-07 10:51:38,479 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2020-07-07 10:51:38,479 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2020-07-07 10:51:38,480 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2020-07-07 10:51:38,480 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 158 165) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:51:38,480 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2020-07-07 10:51:38,480 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2020-07-07 10:51:38,481 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 166 175) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse9 (not (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse8 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse9 .cse7 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse1 .cse8 .cse2 .cse9 .cse3 .cse4))) [2020-07-07 10:51:38,481 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-07 10:51:38,481 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 166 175) no Hoare annotation was computed. [2020-07-07 10:51:38,481 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 166 175) no Hoare annotation was computed. [2020-07-07 10:51:38,482 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse6 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse2 .cse3))) [2020-07-07 10:51:38,482 INFO L268 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-07-07 10:51:38,482 INFO L268 CegarLoopResult]: For program point L188(lines 188 198) no Hoare annotation was computed. [2020-07-07 10:51:38,482 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~1 ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse1 .cse5 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse1 .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse7 .cse4))) [2020-07-07 10:51:38,482 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-07-07 10:51:38,482 INFO L268 CegarLoopResult]: For program point L184(lines 184 201) no Hoare annotation was computed. [2020-07-07 10:51:38,483 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 204) no Hoare annotation was computed. [2020-07-07 10:51:38,483 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-07 10:51:38,483 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-07 10:51:38,483 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 176 204) the Hoare annotation is: true [2020-07-07 10:51:38,483 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 176 204) no Hoare annotation was computed. [2020-07-07 10:51:38,483 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 131 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:51:38,483 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2020-07-07 10:51:38,484 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:38,484 INFO L264 CegarLoopResult]: At program point L143-1(line 143) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:38,484 INFO L268 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2020-07-07 10:51:38,484 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2020-07-07 10:51:38,484 INFO L268 CegarLoopResult]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2020-07-07 10:51:38,484 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-07 10:51:38,485 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:51:38,485 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:51:38,485 INFO L264 CegarLoopResult]: At program point L137-1(line 137) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:51:38,485 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-07 10:51:38,485 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-07 10:51:38,485 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2020-07-07 10:51:38,485 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-07 10:51:38,486 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-07 10:51:38,486 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-07 10:51:38,486 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2020-07-07 10:51:38,486 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-07 10:51:38,486 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2020-07-07 10:51:38,486 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-07 10:51:38,486 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-07 10:51:38,486 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-07 10:51:38,486 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-07 10:51:38,486 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 789 797) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 789 797) the Hoare annotation is: true [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 789 797) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point L817(lines 817 825) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point L817-2(lines 817 825) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 798 833) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 798 833) no Hoare annotation was computed. [2020-07-07 10:51:38,487 INFO L268 CegarLoopResult]: For program point L805(lines 805 813) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 813) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 798 833) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 212 257) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 212 257) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 212 257) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point L545(lines 545 552) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point L539(lines 539 559) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point L539-1(lines 539 559) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 525 570) no Hoare annotation was computed. [2020-07-07 10:51:38,488 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 525 570) no Hoare annotation was computed. [2020-07-07 10:51:38,489 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 525 570) no Hoare annotation was computed. [2020-07-07 10:51:38,489 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 117 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:51:38,490 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2020-07-07 10:51:38,491 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:38,491 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2020-07-07 10:51:38,491 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 778 788) the Hoare annotation is: true [2020-07-07 10:51:38,491 INFO L271 CegarLoopResult]: At program point L783(line 783) the Hoare annotation is: true [2020-07-07 10:51:38,491 INFO L268 CegarLoopResult]: For program point L783-1(line 783) no Hoare annotation was computed. [2020-07-07 10:51:38,491 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 778 788) no Hoare annotation was computed. [2020-07-07 10:51:38,491 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 778 788) no Hoare annotation was computed. [2020-07-07 10:51:38,494 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 770 777) the Hoare annotation is: (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (= 1 ~systemActive~0))) [2020-07-07 10:51:38,494 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 770 777) no Hoare annotation was computed. [2020-07-07 10:51:38,495 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 770 777) no Hoare annotation was computed. [2020-07-07 10:51:38,495 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 655 668) no Hoare annotation was computed. [2020-07-07 10:51:38,495 INFO L268 CegarLoopResult]: For program point L659(lines 659 665) no Hoare annotation was computed. [2020-07-07 10:51:38,495 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 655 668) the Hoare annotation is: true [2020-07-07 10:51:38,495 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 655 668) no Hoare annotation was computed. [2020-07-07 10:51:38,495 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 737 761) no Hoare annotation was computed. [2020-07-07 10:51:38,495 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or .cse7 (not (<= ~waterLevel~0 2)) .cse0 .cse2 .cse3) (or .cse7 (not (= 1 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse7 .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:51:38,496 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 737 761) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2 .cse5) (or .cse6 .cse8 .cse9 .cse10 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse8 .cse9 .cse3 .cse10 .cse5))) [2020-07-07 10:51:38,496 INFO L268 CegarLoopResult]: For program point L756-1(lines 737 761) no Hoare annotation was computed. [2020-07-07 10:51:38,496 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< 0 (+ processEnvironment_~tmp~6 1)) (<= processEnvironment_~tmp~6 0)) .cse2 (not (<= ~waterLevel~0 1)) .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse4 (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse4 .cse0 .cse1 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:51:38,496 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (<= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse2 .cse4))) [2020-07-07 10:51:38,496 INFO L268 CegarLoopResult]: For program point L745(lines 745 753) no Hoare annotation was computed. [2020-07-07 10:51:38,497 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2 .cse5) (or .cse6 .cse8 .cse9 .cse5) (or .cse8 .cse9 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5))) [2020-07-07 10:51:38,497 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-07-07 10:51:38,497 INFO L268 CegarLoopResult]: For program point L741(lines 741 758) no Hoare annotation was computed. [2020-07-07 10:51:38,497 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 703 709) no Hoare annotation was computed. [2020-07-07 10:51:38,497 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 703 709) the Hoare annotation is: true [2020-07-07 10:51:38,497 INFO L264 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse4 .cse6) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse7 .cse2 .cse4 .cse6) (and .cse1 .cse7 .cse3 .cse5 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse7 .cse3 (<= ~waterLevel~0 1) .cse4))) [2020-07-07 10:51:38,497 INFO L264 CegarLoopResult]: At program point testENTRY(lines 897 962) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:38,497 INFO L268 CegarLoopResult]: For program point L927(lines 927 933) no Hoare annotation was computed. [2020-07-07 10:51:38,498 INFO L268 CegarLoopResult]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2020-07-07 10:51:38,498 INFO L264 CegarLoopResult]: At program point L952(lines 907 954) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse5 .cse4 .cse6) (and .cse1 .cse7 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse7 .cse2 .cse5 .cse4))) [2020-07-07 10:51:38,498 INFO L264 CegarLoopResult]: At program point L919(line 919) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse5 .cse4 .cse6) (and .cse1 .cse7 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse7 .cse2 .cse5 .cse4))) [2020-07-07 10:51:38,498 INFO L268 CegarLoopResult]: For program point testFINAL(lines 897 962) no Hoare annotation was computed. [2020-07-07 10:51:38,498 INFO L268 CegarLoopResult]: For program point L917(lines 917 923) no Hoare annotation was computed. [2020-07-07 10:51:38,498 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 923) no Hoare annotation was computed. [2020-07-07 10:51:38,499 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-07 10:51:38,500 INFO L264 CegarLoopResult]: At program point L955(lines 906 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:38,500 INFO L268 CegarLoopResult]: For program point L945(lines 945 949) no Hoare annotation was computed. [2020-07-07 10:51:38,500 INFO L264 CegarLoopResult]: At program point L945-2(lines 937 950) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 .cse1 .cse2 .cse4 .cse6) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse8 .cse2 .cse4 .cse6) (and .cse1 .cse8 .cse3 .cse5 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse8 .cse3 (<= ~waterLevel~0 1) .cse4) (and .cse7 .cse1 .cse8 .cse2 .cse4 .cse6))) [2020-07-07 10:51:38,500 INFO L268 CegarLoopResult]: For program point L908(lines 907 954) no Hoare annotation was computed. [2020-07-07 10:51:38,500 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 .cse1 .cse2 .cse4 .cse6) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse8 .cse2 .cse4 .cse6) (and .cse1 .cse8 .cse3 .cse5 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse8 .cse3 (<= ~waterLevel~0 1) .cse4) (and .cse7 .cse1 .cse8 .cse2 .cse4 .cse6))) [2020-07-07 10:51:38,500 INFO L268 CegarLoopResult]: For program point L937(lines 937 950) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point testEXIT(lines 897 962) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 479 524) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 479 524) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 479 524) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point L493(lines 493 513) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point L493-1(lines 493 513) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 623 645) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point L631(lines 631 639) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 623 645) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point L631-2(lines 631 639) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 623 645) no Hoare annotation was computed. [2020-07-07 10:51:38,501 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 376 478) no Hoare annotation was computed. [2020-07-07 10:51:38,502 INFO L268 CegarLoopResult]: For program point L446(lines 424 447) no Hoare annotation was computed. [2020-07-07 10:51:38,502 INFO L268 CegarLoopResult]: For program point L405(lines 405 421) no Hoare annotation was computed. [2020-07-07 10:51:38,502 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-07-07 10:51:38,503 INFO L268 CegarLoopResult]: For program point L426(lines 425 445) no Hoare annotation was computed. [2020-07-07 10:51:38,503 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 10:51:38,503 INFO L268 CegarLoopResult]: For program point L457-1(line 457) no Hoare annotation was computed. [2020-07-07 10:51:38,503 INFO L268 CegarLoopResult]: For program point L422(lines 422 463) no Hoare annotation was computed. [2020-07-07 10:51:38,503 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 376 478) no Hoare annotation was computed. [2020-07-07 10:51:38,503 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-07 10:51:38,503 INFO L268 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-07-07 10:51:38,503 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 376 478) no Hoare annotation was computed. [2020-07-07 10:51:38,503 INFO L268 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-07-07 10:51:38,504 INFO L268 CegarLoopResult]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-07-07 10:51:38,504 INFO L268 CegarLoopResult]: For program point L427(lines 427 431) no Hoare annotation was computed. [2020-07-07 10:51:38,504 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 445) no Hoare annotation was computed. [2020-07-07 10:51:38,504 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2020-07-07 10:51:38,504 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2020-07-07 10:51:38,504 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2020-07-07 10:51:38,504 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:51:38,505 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-07 10:51:38,505 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:51:38,505 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2020-07-07 10:51:38,505 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2020-07-07 10:51:38,505 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 762 769) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:51:38,505 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 646 654) the Hoare annotation is: true [2020-07-07 10:51:38,505 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 646 654) no Hoare annotation was computed. [2020-07-07 10:51:38,505 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 646 654) no Hoare annotation was computed. [2020-07-07 10:51:38,506 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 834 852) no Hoare annotation was computed. [2020-07-07 10:51:38,506 INFO L268 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-07-07 10:51:38,506 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-07 10:51:38,506 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2020-07-07 10:51:38,506 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-07 10:51:38,506 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 834 852) the Hoare annotation is: true [2020-07-07 10:51:38,506 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 834 852) no Hoare annotation was computed. [2020-07-07 10:51:38,506 INFO L268 CegarLoopResult]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2020-07-07 10:51:38,506 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 602 613) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (= 2 ~waterLevel~0))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse6 .cse7 .cse3 .cse8 .cse4) (or .cse0 .cse7 .cse1 .cse3 .cse4) (or .cse0 .cse7 .cse1 .cse5 .cse4) (or .cse6 (not (<= ~waterLevel~0 2)) .cse5 .cse8 .cse4))) [2020-07-07 10:51:38,507 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 602 613) no Hoare annotation was computed. [2020-07-07 10:51:38,507 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:51:38,507 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:51:38,507 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:51:38,507 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (let ((.cse15 (= 1 ~systemActive~0)) (.cse16 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (<= ~waterLevel~0 0)) (.cse19 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (and .cse16 .cse17 .cse18 .cse19)) (.cse11 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse12 (and .cse16 .cse17 (= 1 ~waterLevel~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (and (= 0 ~pumpRunning~0) .cse19)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse16 .cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse14 (and .cse16 .cse17 .cse18 .cse19 .cse15 (<= 1 ~pumpRunning~0))) (.cse13 (not (<= |old(~waterLevel~0)| 0))) (.cse4 (not .cse15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse2 .cse4) (or .cse0 .cse10 .cse11 .cse1 .cse4) (or .cse10 .cse11 .cse9 .cse12 .cse4) (or .cse6 .cse7 .cse9 .cse13 .cse2 .cse4) (or .cse11 .cse9 .cse2 .cse12 .cse4) (or .cse5 .cse0 .cse10 .cse1 .cse4) (or .cse6 .cse10 .cse8 .cse14 .cse9 .cse3 .cse4) (or .cse6 .cse10 .cse9 .cse14 .cse13 .cse4)))) [2020-07-07 10:51:38,507 INFO L264 CegarLoopResult]: At program point L690(lines 690 696) the Hoare annotation is: (let ((.cse13 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse21 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse22 (<= ~waterLevel~0 0)) (.cse16 (= 0 ~pumpRunning~0)) (.cse18 (<= 1 ~switchedOnBeforeTS~0)) (.cse20 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse19 (= 1 ~systemActive~0))) (let ((.cse10 (and .cse21 .cse3 .cse22 .cse16 .cse18 .cse20 .cse19)) (.cse15 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse1 (and .cse20 (<= 1 ~pumpRunning~0))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse12 (and .cse13 .cse14 .cse22 .cse20)) (.cse2 (not (= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse17 (= 1 ~waterLevel~0)) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (not .cse21)) (.cse0 (and .cse16 .cse20)) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not .cse19))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse5) (or .cse11 .cse6 .cse12 (and .cse13 .cse14 .cse15) .cse8 .cse4 .cse5) (or (and .cse16 .cse17) .cse3 .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse5) (or .cse11 .cse6 .cse7 .cse8 .cse10 (and .cse16 .cse18 .cse15) .cse5) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse2 .cse8 (and .cse16 .cse18 .cse17) .cse5) (or .cse6 .cse12 .cse8 .cse9 .cse4 .cse5) (or .cse2 .cse8 .cse4 (and .cse13 .cse14 .cse17) .cse5) (or .cse11 .cse0 .cse7 .cse3 .cse5) (or .cse0 .cse3 .cse9 .cse4 .cse5)))) [2020-07-07 10:51:38,507 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 676 702) the Hoare annotation is: (let ((.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse11 .cse12)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse12)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse6 .cse7 .cse3 .cse4) (or .cse8 .cse9 .cse6 .cse7 .cse10 .cse4) (or .cse9 .cse0 .cse2 .cse10 .cse4) (or .cse9 .cse1 .cse6 .cse7 .cse4) (or .cse5 .cse8 .cse6 .cse7 .cse3 .cse4)))) [2020-07-07 10:51:38,508 INFO L264 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse5 (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse4) (or .cse6 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse7 .cse5 .cse0 .cse3 .cse4))) [2020-07-07 10:51:38,508 INFO L268 CegarLoopResult]: For program point L683(lines 679 701) no Hoare annotation was computed. [2020-07-07 10:51:38,508 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 676 702) no Hoare annotation was computed. [2020-07-07 10:51:38,508 INFO L268 CegarLoopResult]: For program point L681(lines 679 701) no Hoare annotation was computed. [2020-07-07 10:51:38,508 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 676 702) no Hoare annotation was computed. [2020-07-07 10:51:38,508 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-07 10:51:38,508 INFO L271 CegarLoopResult]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2020-07-07 10:51:38,508 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2020-07-07 10:51:38,509 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-07-07 10:51:38,509 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2020-07-07 10:51:38,509 INFO L271 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2020-07-07 10:51:38,509 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-07-07 10:51:38,509 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-07-07 10:51:38,509 INFO L271 CegarLoopResult]: At program point L76(lines 51 80) the Hoare annotation is: true [2020-07-07 10:51:38,509 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-07 10:51:38,509 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 614 622) the Hoare annotation is: true [2020-07-07 10:51:38,510 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 614 622) no Hoare annotation was computed. [2020-07-07 10:51:38,510 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 614 622) no Hoare annotation was computed. [2020-07-07 10:51:38,510 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 578 589) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse2 .cse1 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= |old(~waterLevel~0)| 2)) .cse2 .cse1 .cse3 .cse4))) [2020-07-07 10:51:38,510 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 578 589) no Hoare annotation was computed. [2020-07-07 10:51:38,510 INFO L268 CegarLoopResult]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2020-07-07 10:51:38,510 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2020-07-07 10:51:38,510 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2020-07-07 10:51:38,510 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:51:38,511 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:51:38,511 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:51:38,511 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:51:38,511 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2020-07-07 10:51:38,511 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: (let ((.cse7 (not (<= ~waterLevel~0 1))) (.cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 1 |old(~systemActive~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse8 .cse5) (or .cse6 .cse2 .cse7 .cse3 .cse4 .cse5) (or .cse9 .cse6 .cse2 .cse4 .cse5) (or .cse9 .cse6 .cse2 .cse8 .cse5) (or .cse0 .cse1 .cse2 .cse8 .cse5) (or .cse0 .cse9 .cse2 .cse4 .cse5))) [2020-07-07 10:51:38,511 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2020-07-07 10:51:38,511 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 711 735) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse6 .cse7 .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse4))) [2020-07-07 10:51:38,512 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 711 735) no Hoare annotation was computed. [2020-07-07 10:51:38,512 INFO L264 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:51:38,512 INFO L268 CegarLoopResult]: For program point L730-1(lines 711 735) no Hoare annotation was computed. [2020-07-07 10:51:38,512 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse5 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse6 .cse0 .cse1 .cse3 .cse4) (or .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-07-07 10:51:38,512 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and .cse5 (= 2 ~waterLevel~0)) .cse2) (or .cse6 .cse3 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse1 .cse2))) [2020-07-07 10:51:38,513 INFO L268 CegarLoopResult]: For program point L719(lines 719 727) no Hoare annotation was computed. [2020-07-07 10:51:38,513 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse0 .cse2 .cse3))) [2020-07-07 10:51:38,513 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-07-07 10:51:38,513 INFO L268 CegarLoopResult]: For program point L715(lines 715 732) no Hoare annotation was computed. [2020-07-07 10:51:38,513 INFO L268 CegarLoopResult]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2020-07-07 10:51:38,513 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 590 601) no Hoare annotation was computed. [2020-07-07 10:51:38,513 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 590 601) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 2 ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5 .cse3) (or .cse6 .cse4 .cse1 .cse5 .cse3) (or .cse6 .cse7 .cse4 .cse2 .cse8 .cse3) (or .cse0 .cse7 .cse4 .cse2 .cse8 .cse3))) [2020-07-07 10:51:38,514 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:51:38,514 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-07 10:51:38,514 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-07 10:51:38,514 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:51:38,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:51:38 BoogieIcfgContainer [2020-07-07 10:51:38,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:51:38,544 INFO L168 Benchmark]: Toolchain (without parser) took 144108.86 ms. Allocated memory was 138.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 102.4 MB in the beginning and 906.2 MB in the end (delta: -803.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-07 10:51:38,544 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:51:38,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.99 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 102.2 MB in the beginning and 170.1 MB in the end (delta: -67.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:51:38,545 INFO L168 Benchmark]: Boogie Preprocessor took 84.58 ms. Allocated memory is still 205.5 MB. Free memory was 170.1 MB in the beginning and 165.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:51:38,546 INFO L168 Benchmark]: RCFGBuilder took 1108.94 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 194.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:51:38,546 INFO L168 Benchmark]: TraceAbstraction took 142102.71 ms. Allocated memory was 238.0 MB in the beginning and 1.2 GB in the end (delta: 941.1 MB). Free memory was 193.2 MB in the beginning and 906.2 MB in the end (delta: -713.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-07 10:51:38,555 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 807.99 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 102.2 MB in the beginning and 170.1 MB in the end (delta: -67.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.58 ms. Allocated memory is still 205.5 MB. Free memory was 170.1 MB in the beginning and 165.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1108.94 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 194.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 142102.71 ms. Allocated memory was 238.0 MB in the beginning and 1.2 GB in the end (delta: 941.1 MB). Free memory was 193.2 MB in the beginning and 906.2 MB in the end (delta: -713.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: (((((((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) || (((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(waterLevel))) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 86.7s, OverallIterations: 15, TraceHistogramMax: 9, AutomataDifference: 70.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 55.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2646 SDtfs, 6815 SDslu, 5406 SDs, 0 SdLazy, 20335 SolverSat, 5412 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3041 GetRequests, 2600 SyntacticMatches, 16 SemanticMatches, 425 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6357 ImplicationChecksByTransitivity, 36.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2069occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 1534 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 3684 PreInvPairs, 3960 NumberOfFragments, 4212 HoareAnnotationTreeSize, 3684 FomulaSimplifications, 4820075706 FormulaSimplificationTreeSizeReduction, 17.5s HoareSimplificationTime, 63 FomulaSimplificationsInter, 52583844 FormulaSimplificationTreeSizeReductionInter, 37.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 4200 NumberOfCodeBlocks, 4200 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4179 ConstructedInterpolants, 0 QuantifiedInterpolants, 2291407 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7594 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 21 InterpolantComputations, 11 PerfectInterpolantSequences, 3944/4119 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...